Science News - The Hindu

Doyen of particle physics Steven Weinberg passes away

T.R. Govindarajan

Awarded the Nobel prize for Physics for his discovery of the Unified Theory of Weak and Electromagnetic Interactions, he was an out-spoken rationalist and critic of climate change deniers

ISRO Chairman Kailasavadivoo Sivan. File Photo.

First uncrewed mission of Gaganyaan programme not possible in Dec: ISRO

A health worker shows a vial of Covaxin. File

Can vaccinating health workers be made mandatory?

R. Prasad France has already made it mandatory for healthcare workers to get vaccinated, like in the case of Greece and Italy

Infection route: When the virus tries to enter the cell, th edrug interferes with the process.

Study proposes repurposed drug to treat COVID-19

Shubashree Desikan The drug is now in Phase-II trials to evaluate efficacy, safety, tolerability to treat COVID-19 patients

Editor's Pick

Women plucking tea leaves in a tea garden in Guwahati. File

On Tea: The Hindu Science Quiz

A.S. Nazir Ahamed Shubashree Desikan Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

This undated electron microscope image made available by the U.S. National Institutes of Health shows the Novel Coronavirus SARS-CoV-2, yellow, emerging from the surface of cells, blue/pink, cultured in the lab.

COVID-19: Variants of Concern and Variants of Interest

Shreya Banerjee Which variants come under which category?

Blindness burden in India: restoring vision to the needy

D. Balasubramanian

As populations age, there is increasing burden of vison-related disorders

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In this Friday, March 9, 2012 photo, an aurora borealis swirls in the sky over the Yukon River village of Ruby, Alaska

Watch | What causes the northern lights?

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Doyen of particle physics Steven Weinberg passes away

First uncrewed mission of Gaganyaan programme not possible in Dec: ISRO

Profiles Science

Blue Origin | The race to space

Study proposes repurposed drug to treat COVID-19

Question Corner | Can age-related memory loss be reversed?

Can vaccinating health workers be made mandatory?

Moon-forming region seen around exoplanet for the first time

Scientists for the first time have spotted a moon-forming region around a planet beyond our solarsystem - a Jupiter-like world surrounded by a disc of

Keep your mind alert and active

Adopting beta-sitosterol-rich diets, plant food and nuts, exercises and yoga practice can make fitter bodies and brains

35 new seismological observatories to become operational by Dec: Govt

The National Seismological Network will add 100 more stations by March 2026

Explained | Why billionaires are going to space

Bezos, Branson recently made widely publicised trips to sub-orbital space

How ‘Space. Life. Matter.’ is a celebration of Indian science discovery

As he dissects the varied and unusual themes of his first book ‘Space. Life. Matter.’, journalist-author Hari Pulakkat explains where India stands in the global space of science research

IISc-incubated Mynvax to get funding to bring “warm” Covid vaccine to market

The company was developing novel recombinant vaccines for COVID-19 and human influenza and would use the proceeds to further clinical development for the same

AI tool developed to study cancer-causing mutations

Active and neutral mutations are distinguished by studying their neighbourhoods

Rare Arctic lightning storms strike north of Alaska

Meteorologists were stunned this week when three successive thunderstorms swept across the icy Arctic from Siberia to north of Alaska, unleashing

Question Corner | Why does Mercury have such a big iron core?

A study by researchers from the University of Maryland disputes the prevailing hypothesis on why Mercury has a big-sized core relative to its mantle

IIT Bombay faculty takes a shot at a long-standing problem in computer science

This is the first case in which a super-polynomial lower bound has been established for constant depth circuits in the algebraic domain.

Global survey: Many teachers feel science curriculum is not relevant

They advocate inter alia ‘rebalancing of exams’ — focus on assessing application

COVID-19: Variants of Concern and Variants of Interest

Which variants come under which category?

Seeing Earth from space, an incredible, life-changing experience: Bandla

Indian-American Sirisha Bandla, on July 12, joined British billionaire Richard Branson and four others on board Virgin Galactic’s SpaceShipTwo Unity to make a journey to the edge of space.

Richard Branson takes off first in space tourism race

Bandla becomes third Indian-origin woman to fly into space

Indian-origin aeronautical engineer to fly into space

She will be part of Virgin Galactic flight

Can schools be reopened during the pandemic?

It is more than a year since the first nationwide lockdown to contain COVID-19 in India started in March 2020, when schools were closed

Question Corner | Do humans perceive joyful or fearful screams more strongly?

Most often, a human scream signals fear of imminent danger. But screaming can also express joy or excitement. For the first time, researchers

Cuba develops the world’s first conjugate vaccine for COVID-19

The design and manufacturing of the conjugate vaccines allows them to be stored in regular refrigeration settings of 2–8 degree Celsius

The 2020 Millennium Technology Prize goes to…

Balasubramanian and Klenerman for DNA sequencing techniques

ISRO plans to launch geo imaging satellite on August 12

It's going to be only the second launch of the Bengaluru-headquartered space agency in the COVID-19-hit 2021

Knowing the ways of the coffee white stem borer

Understanding the beetle’s behaviour is important in order to devise ecologically sound management strategies

Indian researchers spot rare superluminous supernova shining with borrowed energy source

These ancient objects are among the least understood SNe.

IIT Madras, Sony to collaborate on hackathon

Participants at Samvedan 2021 will tackle societal problems

New tool limits disruptions caused by space operations, FAA says

The tool, called the Space Data Integrator, will replace a system in which much of the work of giving telemetry data about space vehicles to air traffic control managers is done manually.

Over 7 lakh yearly deaths in India linked to abnormal temperatures: Lancet study

In India, the number of deaths per year linked with abnormal cold temperatures is 655,400, while as the number of deaths associated with high temperatures is 83,700, according to the researchers.

Time to tackle COVID-19 vaccine delivery bottlenecks

India needs effective communication strategy to tackle vaccine hesitancy

Salt and Pepper

Does stress make hair go grey and is colour reversal possible? Researchers at Columbia University have found (eLife) that stress can accelerate

Can some States serve as a bellwether for the third wave?

Both in the first wave and second wave of COVID-19, increase in daily cases was first reported in Maharashtra, then Kerala and Delhi

New source of gravitational waves detected

Scientists have for the first time detected gravitational waves – ripples in the fabric of space-time – produced by the collision of a neutron star

Social structure differs in Asian and African elephants, find researchers

Asian elephants, in general, do not move in mixed groups consisting of males and females.

Jeff Bezos picks female aerospace pioneer to launch with him

Wally Funk, who lives near Dallas, was the first female inspector for the Federal Aviation Administration and the first female air safety investigator for the National Transportation Safety Board

On Tea: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Black carbon linked to premature mortality

Black carbon results from incomplete burning of fossil fuel and studies have previously linked it to global warming.

Amazon hydropower plant contributes significant greenhouse emissions: study

The team studied methane and carbon dioxide emissions during Belo Monte's first two years of operation and compared the results to levels prior to the reservoirs being filled, finding a threefold increase in greenhouse gas emissions.

Italian hospital uses CT scan to unveil secrets of Egyptian mummy

Researchers believe they can reconstruct the life and death of the Egyptian priest and understand which kinds of products were used to mummify the body

Evidence on UFOs 'largely inconclusive', says U.S. intelligence report

The report made no mention of the possibility of — or rule out — that some of the objects sighted could represent extra-terrestrial life.

Question corner | Do insects migrate? Which insect has the longest migration route?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Tackling vaccine hesitancy challenge in rural India

Addressing vaccine hesitancy in rural India would first of all require health systems to be honest and transparent

Study on meteorite provides clues to Earth's mantle

The meteorite originated in the asteroid belt, was sucked in by Earth’s gravity

Why only some bacteria develop multi-drug resistance

The study subjected E. coli to fluctuating and steady environments, noting their evolutionary response

Blindness burden in India: restoring vision to the needy

As populations age, there is increasing burden of vison-related disorders

Skull found in China represents a new human species, our closest ancestor: Scientists

Homo longi, or “Dragon Man”, scientists say, should replace Neanderthals as our closest relatives.

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